Limitless is a 2011 American science-fiction thriller film directed by Neil Burger and written by Leslie Dixon. Based on the 2001 novel The Dark Fields by Alan Glynn, the film stars Bradley Cooper, Abbie Cornish, Robert De Niro, Andrew Howard, and Anna Friel. The film follows Edward Morra, a struggling writer who is introduced to a nootropic drug called NZT-48, which gives him the ability to use his brain fully and to improve his lifestyle vastly. Limitless was released on March 18, 2011, and became a box-office success, grossing over $161 million on a budget of $27 million. A television series of the same name, covering events that take place after the film, debuted on September 22, 2015, but was cancelled after one season. Plot Eddie Morra is a struggling author in New York City. His girlfriend Lindy, frustrated with his lack of progress (as well as his seeming lack of ambition, motivation, and focus), breaks up with him. Eddie encounters Vernon, the brother of his ex-wife Melissa, who gives him a sample of a new nootropic called NZT-48, which Vernon implies will help Eddie with his "creative problems". On the drug, Eddie discovers that he has acquired perfect recall, and is able to analyze minute details and information at incredible speed. As the pill takes effect, he is being yelled at by his landlord's wife. With his new power, he calms her down, helps her with her law school homework, and sleeps with her. His abilities compel him to tidy up his apartment and give him immense inspiration for his book. Soon afterwards, Vernon is murdered by someone searching for the drug. Eddie locates Vernon's supply and takes increasing doses. As his life improves, he decides to begin investing in the stock market. He is hired at a brokerage firm and resumes his relationship with Lindy. His success leads to a meeting with finance tycoon Carl Van Loon, who tests him by seeking advice on a merger with Hank Atwood's company. After the meeting, Eddie experiences an 18-hour loss of memory, which he refers to as a "time skip". The next day in a meeting with Van Loon, Eddie sees a news telecast that a woman has been murdered in her hotel room. Eddie recognizes her as the woman he slept with during his time skip and abruptly leaves the meeting. Eddie realizes that everyone taking NZT-48 is either